Medicine ball



FIG. 1 is a right, top, front perspective view of a medicine ball showing my new design;

FIG. 2 is a top plan view of the medicine ball of FIG. 1;

FIG. 3 is a front elevation view of the medicine ball of FIG. 1;

FIG. 4 is a right side elevation view of the medicine ball of FIG. 1; the left side elevation view is a mirror image of the right side; and,

FIG. 5 is a rear elevation view of the medicine ball of FIG. 1.

The broken line showing portions of the medicine ball depicts environment and forms no part of the claim. 

CLAIM The ornamental design for a medicine ball, as shown and described. 